Inside Out Library
[Graphophone patents] (1878)
United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 175
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sfco J7tti/. 1,130,837. A. E. PARNALL. GRAPHOPHONE. APPLICATION FILED MAE. 15, 1913. Patented Mar. 9,1915. 3 SHEETS-SHEET 2. … JJttfr 1,130,837. A. E. PARNALL. GRAPHOPHONE. APPLICATION PILED MAK. 15, 1913. Patented Mar. 9,1915. 3 SHEETS-SHEET 3.Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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